<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="#">
        </el-table-column>
        <el-table-column label="姓名" prop="username">
        </el-table-column>
        <el-table-column label="手机" prop="mobile">
        </el-table-column>
        <el-table-column label="邮箱" prop="email">
        </el-table-column>
        <el-table-column label="角色" prop="role_name">
        </el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column >
        <el-table-column label="操作" width="190px">
          <template slot-scope="scope">
            <!--修改按钮-->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!--删除按钮-->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
<!--            分配角色-->
            <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>

    <!--添加用户的对话框-->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
      >
      <span></span>
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
<!--    修改用户的对话框-->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef">
        <el-form-item label="用户名" >
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
        </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
<!--    分配角色-->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
        @close="setRoleDialogClosed">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>分配新角色：
          <el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo()">确 定</el-button>
  </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: 'User',
  data() {
    const checkEmail = (rule, value, cb) => {
      const regemail = /^\w+@\w+(\.\w+)+$/
      if (regemail.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    const checkPhone = (rule, value, cb) => {
      const regphone = /^[1-9]\d{10}$/
      if (regphone.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          {validator: checkEmail, trigger: 'blur'}
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          {validator: checkPhone, trigger: 'blur'}
        ]
      },
      editDialogVisible: false,
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          {validator: checkEmail, trigger: 'blur'}
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          {validator: checkPhone, trigger: 'blur'}
        ]
      },
      setRoleDialogVisible: false,
      userInfo: {},
      rolesList: [],
      selectRoleId: ''
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const {data: res} = await this.$http.get('users', {params: this.queryInfo})
      if (res.meta.status !== 200) return this.$message.error('获取用户列表失败')
      this.userList = res.data.users
      this.total = res.data.total
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    async userStateChange (userInfo) {
      const {data: res} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('用户更新失败')
      }
      this.$message.success('更新用户状态成功')
    },
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        const {data: res} = await this.$http.post('/users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    async showEditDialog (id) {
      const {data: res} = await this.$http.get(`users/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        const {data: res} = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email, mobile: this.editForm.mobile})
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户失败')
        }
        this.$message.success('更新用户成功')
        this.getUserList()
        this.editDialogVisible = false
      })
    },
    async removeUserById (id) {
      const confirmResult = await this.$confirm('删除用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const {data: res} = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    async setRole (userInfo) {
      this.userInfo = userInfo
      const {data: res} = await this.$http.get('roles')
      if (res.meta.status !== 200) return this.$message.error('获取角色失败')
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    async saveRoleInfo () {
      if (!this.selectRoleId) {
        return this.$message.error('请选择用户的角色')
      }
      const {data: res} = await this.$http.put(`users/${this.userInfo.id}/role`, {rid: this.selectRoleId})
      if (res.meta.status !== 200) {
        return this.$message.error('更新用户失败！！')
      }
      this.$message.success('更新用户成功！！！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    setRoleDialogClosed() {
      this.selectRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style scoped>

</style>
